EXPLANATION OF PLATES 



All figures of the shell have been given the same enlargement, This is also 

 true of the detail of the shell sculpture, I>u1 ihis is of much greater magnifica- 

 tion than t hai of the shell. 



Plate ">•"> 



Fig. 1. Bankia {Bankia) philippinensis. 



2. Bankia {Bankiella) davaoensis. 



3. Bankia (Bankia) philippinensis. 



4. Bankia (Bankiella) davaoensis. 



5. Bankia (Neobankia) johnsoni. 

 0. Teredo (Teredothyra) smithi. 

 7. Teredo (Teredothyra) ■smithi. 



s. Teredo (Ungoteredo) matocotana. 



9. Teredo (Ungoteredo) matocotana. 



10. Teredo (Coeloteredo) mindanensis. 



11. Teredo (Teredothyra) radcliffei. 



12. Teredo (Coeloteredo) mindanensis. 



13. Bankia (Neobankia) johnsoni. 

 ]\. Teredo (Teredothyra) radcliffei. 



27563 27? 3 555 



